Description
This module exploits a chain of vulnerabilities in the Accellion File Transfer appliance. This appliance exposes a UDP service on port 8812 that acts as a gateway to the internal communication bus. This service uses Blowfish encryption for authentication, but the appliance ships with two easy to guess default authentication keys. This module abuses the known default encryption keys to inject a message into the communication bus. In order to execute arbitrary commands on the remote appliance, a message is injected into the bus destined for the 'matchrep' service. This service exposes a function named 'insert_plugin_meta_info' which is vulnerable to an input validation flaw in a call to system(). This provides access to the 'soggycat' user account, which has sudo privileges to run the primary admin tool as root. These two flaws are fixed in update version FTA_8_0_562.
Module options
To display the available options, load the module within the Metasploit console and run the commands 'show options' or 'show advanced':
msf > use exploit/linux/misc/accellion/fta_mpipe2msf undefined(fta_mpipe2) > show actions ...actions...msf undefined(fta_mpipe2) > set ACTION < action-name >msf undefined(fta_mpipe2) > show options ...show and set options...msf undefined(fta_mpipe2) > runPrioritise with Active Threat Intelligence
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